Gmail rejecting my email as unauthenticated

Gmail is kicking back with the following message:

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  vrchurch01@gmail.com
    host gmail-smtp-in.l.google.com [74.125.136.26]
    SMTP error from remote mail server after pipelined end of data:
    550-5.7.26 This mail has been blocked because the sender is unauthenticated.
    550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.
    550-5.7.26
    550-5.7.26  Authentication results:
    550-5.7.26  DKIM = did not pass
    550-5.7.26  SPF [tasqbase.com] with ip: [66.96.186.8] = did not pass
    550-5.7.26
    550-5.7.26  To mitigate this issue, please visit Gmail's authentication guide
    550-5.7.26 for instructions on setting up authentication:
    550 5.7.26  https://support.google.com/mail/answer/81126#authenticationu138-20020a0deb90000000b0059be66008c7si1279509ywe.187 - gsmtp

Reporting-MTA: dns; bosmailout08.eigbox.net

Action: failed
Final-Recipient: rfc822;vrchurch01@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Remote-MTA: X-ip; [74.125.136.26]
X-Remote-MTA-smtp-greeting: X-str; 220 mx.google.com ESMTP u138-20020a0deb90000000b0059be66008c7si1279509ywe.187 - gsmtp
X-Remote-MTA-helo-response: X-str; 250-mx.google.com at your service, [66.96.186.8]
X-Exim-Diagnostic: X-str; SMTP error from remote mail server after pipelined end of data: 550-5.7.26 This mail has been blocked because the sender is unauthenticated.\n550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.\n550-5.7.26\n550-5.7.26  Authentication results:\n550-5.7.26  DKIM = did not pass\n550-5.7.26  SPF [tasqbase.com] with ip: [66.96.186.8] = did not pass\n550-5.7.26\n550-5.7.26  To mitigate this issue, please visit Gmail's authentication guide\n550-5.7.26 for instructions on setting up authentication:\n550 5.7.26  https://support.google.com/mail/answer/81126#authentication u138-20020a0deb90000000b0059be66008c7si1279509ywe.187 - gsmtp
Diagnostic-Code: smtp; 550-5.7.26 This mail has been blocked because the sender is unauthenticated.
 550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.
 550-5.7.26
 550-5.7.26  Authentication results:
 550-5.7.26  DKIM = did not pass
 550-5.7.26  SPF [tasqbase.com] with ip: [66.96.186.8] = did not pass
 550-5.7.26
 550-5.7.26  To mitigate this issue, please visit Gmail's authentication guide
 550-5.7.26 for instructions on setting up authentication:
 550 5.7.26  https://support.google.com/mail/answer/81126#authentication u138-20020a0deb90000000b0059be66008c7si1279509ywe.187 - gsmtp

Return-path: <nbishop@tasqbase.com>
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    for vrchurch01@gmail.com; Sun, 15 Oct 2023 19:43:53 -0400
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    for vrchurch01@gmail.com; Sun, 15 Oct 2023 19:43:53 -0400
Received: from bosauthsmtp01.yourhostingaccount.com ([10.20.18.1])
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    id yPjq2A00101P9Sa01PjtC7; Sun, 15 Oct 2023 19:43:53 -0400
X-Authority-Analysis: v=2.3 cv=Q6tJH7+a c=1 sm=1 tr=0
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    for vrchurch01@gmail.com; Sun, 15 Oct 2023 19:43:49 -0400
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
From: Neil Bishop <nbishop@tasqbase.com>
Mime-Version: 1.0 (1.0)
Subject: Re: Test email
Date: Sun, 15 Oct 2023 19:43:37 -0400
Message-Id: <74388BFF-2467-4A73-B65C-8A504FE37B33@tasqbase.com>
References: <CAH+xqpbXZsuS-0gk0kt+Yw2xQDdE19P7Kq_coBC-8sOQ6Paz-w@mail.gmail.com>
In-Reply-To: <CAH+xqpbXZsuS-0gk0kt+Yw2xQDdE19P7Kq_coBC-8sOQ6Paz-w@mail.gmail.com>
To: Veronica Church <vrchurch01@gmail.com>
X-Mailer: iPhone Mail (20G81)
X-EN-UserInfo: 742fe83f1381b0b363b29394868e8c85:931c98230c6409dcc37fa7e93b490c27
X-EN-AuthUser: nbishop@tasqbase.com
Sender:  Neil Bishop <nbishop@tasqbase.com>
X-EN-OrigIP: 108.198.49.94
X-EN-OrigHost: 108-198-49-94.lightspeed.tukrga.sbcglobal.net
X-EN-Class: impinc